Home / 90,265.72-124,573.70-49,983.23

Finding the Fourth Proportional to 90,265.72, 124,573.70 and 49,983.23

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Solution

The fourth proportional to 90,265.72, 124,573.70 and 49,983.23 is: 68,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,265.72 : 124,573.70 = 49,983.23 : x
  2. Step 2: Convert to fraction form
    90,265.72/124,573.70 = 49,983.23/x
  3. Step 3: Cross multiply
    90,265.72x = 124,573.70 × 49,983.23
  4. Step 4: Simplify right side
    90,265.72x = 6,226,595,276.18
  5. Step 5: Solve for x
    x = 6,226,595,276.18/90,265.72
  6. Step 6: Final answer
    x = 68,980.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.